зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.8 KiB
Java
87 строки
2.8 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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package netscape.jsdebug;
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/**
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* This instances of this class represent the JavaScript string object. This
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* class is intended to only be constructed by the underlying native code.
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* The DebugController will construct an instance of this class when scripts
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* are created and that instance will always be used to reference the underlying
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* script throughout the lifetime of that script.
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*
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* @author John Bandhauer
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* @version 1.0
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* @since 1.0
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*/
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public final class Script
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{
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public String getURL() {return _url; }
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public String getFunction() {return _function; }
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public int getBaseLineNumber() {return _baseLineNumber;}
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public int getLineExtent() {return _lineExtent; }
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public boolean isValid() {return 0 != _nativePtr;}
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/**
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* Get the PC of the first executable code on or after the given
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* line in this script. returns null if none
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*/
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public native JSPC getClosestPC(int line);
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public String toString()
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{
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int end = _baseLineNumber+_lineExtent-1;
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if( null == _function )
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return "<Script "+_url+"["+_baseLineNumber+","+end+"]>";
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else
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return "<Script "+_url+"#"+_function+"()["+_baseLineNumber+","+end+"]>";
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}
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public int hashCode()
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{
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return _nativePtr;
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}
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public boolean equals(Object obj)
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{
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if( obj == this )
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return true;
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// In our system the native code is the only code that generates
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// these objects. They are never duplicated
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return false;
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/*
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if( !(obj instanceof Script) )
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return false;
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return 0 != _nativePtr && _nativePtr == ((Script)obj)._nativePtr;
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*/
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}
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private synchronized void _setInvalid() {_nativePtr = 0;}
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private String _url;
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private String _function;
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private int _baseLineNumber;
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private int _lineExtent;
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private int _nativePtr; // used internally
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}
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